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X expects an implicit bind to INADDR_ANY for UDP sockets.

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This commit is contained in:
Philip Homburg 2005-09-30 12:49:10 +00:00
parent c4184bb45b
commit 99fa9df344
1 changed files with 18 additions and 1 deletions
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19
lib/ip/socket.c
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@ -2,6 +2,7 @@
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>
#include <net/netlib.h>
@ -57,7 +58,8 @@ static int _tcp_socket(int protocol)
static int _udp_socket(int protocol)
{
int fd;
int r, fd, t_errno;
struct sockaddr_in sin;
if (protocol != 0 && protocol != IPPROTO_UDP)
{
@ -68,6 +70,21 @@ static int _udp_socket(int protocol)
return -1;
}
fd= open(UDP_DEVICE, O_RDWR);
if (fd == -1)
return fd;
/* Bind is implict for UDP sockets? */
sin.sin_family= AF_INET;
sin.sin_addr.s_addr= INADDR_ANY;
sin.sin_port= 0;
r= bind(fd, (struct sockaddr *)&sin, sizeof(sin));
if (r != 0)
{
t_errno= errno;
close(fd);
errno= t_errno;
return -1;
}
return fd;
}